Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Copyright (c) 2024 Meta, Inc */
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/bpf_crypto.h>
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#include <crypto/skcipher.h>
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static void *bpf_crypto_lskcipher_alloc_tfm(const char *algo)
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{
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return crypto_alloc_lskcipher(algo, 0, 0);
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}
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static void bpf_crypto_lskcipher_free_tfm(void *tfm)
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{
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crypto_free_lskcipher(tfm);
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}
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static int bpf_crypto_lskcipher_has_algo(const char *algo)
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{
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return crypto_has_skcipher(algo, CRYPTO_ALG_TYPE_LSKCIPHER, CRYPTO_ALG_TYPE_MASK);
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}
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static int bpf_crypto_lskcipher_setkey(void *tfm, const u8 *key, unsigned int keylen)
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{
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return crypto_lskcipher_setkey(tfm, key, keylen);
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}
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static u32 bpf_crypto_lskcipher_get_flags(void *tfm)
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{
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return crypto_lskcipher_get_flags(tfm);
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}
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static unsigned int bpf_crypto_lskcipher_ivsize(void *tfm)
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{
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return crypto_lskcipher_ivsize(tfm);
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}
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static unsigned int bpf_crypto_lskcipher_statesize(void *tfm)
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{
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return crypto_lskcipher_statesize(tfm);
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}
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static int bpf_crypto_lskcipher_encrypt(void *tfm, const u8 *src, u8 *dst,
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unsigned int len, u8 *siv)
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{
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return crypto_lskcipher_encrypt(tfm, src, dst, len, siv);
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}
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static int bpf_crypto_lskcipher_decrypt(void *tfm, const u8 *src, u8 *dst,
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unsigned int len, u8 *siv)
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{
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return crypto_lskcipher_decrypt(tfm, src, dst, len, siv);
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}
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static const struct bpf_crypto_type bpf_crypto_lskcipher_type = {
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.alloc_tfm = bpf_crypto_lskcipher_alloc_tfm,
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.free_tfm = bpf_crypto_lskcipher_free_tfm,
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.has_algo = bpf_crypto_lskcipher_has_algo,
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.setkey = bpf_crypto_lskcipher_setkey,
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.encrypt = bpf_crypto_lskcipher_encrypt,
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.decrypt = bpf_crypto_lskcipher_decrypt,
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.ivsize = bpf_crypto_lskcipher_ivsize,
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.statesize = bpf_crypto_lskcipher_statesize,
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.get_flags = bpf_crypto_lskcipher_get_flags,
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.owner = THIS_MODULE,
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.name = "skcipher",
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};
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static int __init bpf_crypto_skcipher_init(void)
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{
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return bpf_crypto_register_type(&bpf_crypto_lskcipher_type);
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}
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static void __exit bpf_crypto_skcipher_exit(void)
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{
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int err = bpf_crypto_unregister_type(&bpf_crypto_lskcipher_type);
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WARN_ON_ONCE(err);
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}
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module_init(bpf_crypto_skcipher_init);
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module_exit(bpf_crypto_skcipher_exit);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Symmetric key cipher support for BPF");
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